120101202121212 has 96 divisors (see below), whose sum is σ = 336802498502400. Its totient is φ = 36791422036416.

The previous prime is 120101202121139. The next prime is 120101202121213. The reversal of 120101202121212 is 212121202101021.

120101202121212 is a `hidden beast` number, since 120 + 1 + 0 + 120 + 212 + 1 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101202121213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188100162 + ... + 188737577.

It is an arithmetic number, because the mean of its divisors is an integer number (3508359359400).

Almost surely, 2^{120101202121212} is an apocalyptic number.

120101202121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120101202121212 is an abundant number, since it is smaller than the sum of its proper divisors (216701296381188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120101202121212 is a wasteful number, since it uses less digits than its factorization.

120101202121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376837992 (or 376837984 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120101202121212 its reverse (212121202101021), we get a palindrome (332222404222233).

The spelling of 120101202121212 in words is "one hundred twenty trillion, one hundred one billion, two hundred two million, one hundred twenty-one thousand, two hundred twelve".